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Burks AW, Williams LW, Mallory SB, Shirrell MA, Williams C.Burks AW, et al. Among authors: williams lw, williams c.Allergy Proc. 1989 Jul-Aug;10(4):265-9. doi: 10.2500/108854189778960045.Allergy Proc. 1989.PMID: 2792753Clinical Trial.